Asset-Specific Debt, Net (Detail) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) SecurityLoan	Dec. 31, 2021 USD ($) SecurityLoan
Financing provided
Participating Mortgage Loans [Line Items]
Count | SecurityLoan	4	4
Financing provided, Principal Balance	$ 959,762	$ 400,699
Financing provided, Book Value	$ 949,891	$ 393,824
Financing provided | LIBOR
Participating Mortgage Loans [Line Items]
Weighted Average Yield/Cost Rate	3.09%	2.78%
Collateral assets
Participating Mortgage Loans [Line Items]
Count | SecurityLoan	4	4
Collateral assets, Principal Balance	$ 1,125,108	$ 446,276
Collateral assets, Book Value	$ 1,108,063	$ 435,727
Collateral assets | LIBOR
Participating Mortgage Loans [Line Items]
Weighted Average Yield/Cost Rate	4.56%	4.04%